body { font-family: Arial, sans-serif; margin:0; padding:0; color:#333; }
header { display:flex; align-items:center; padding:10px; background:#006; color:#fff; }
header img { height:50px; margin-right:20px; }
nav a { color:#fff; margin:0 10px; text-decoration:none; }
.hero { padding:60px; background:#eef; text-align:center; }
.btn { display:inline-block; padding:10px 20px; background:#009; color:#fff; text-decoration:none; border-radius:5px; }
section { padding:40px 20px; max-width:800px; margin:auto; }
footer { padding:10px; text-align:center; background:#006; color:#fff; }